Energize-to-action 1-year proof test interval – Rockwell Automation 1715-OF8I Redundant I/O System User Manual User Manual
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292
Rockwell Automation Publication 1715-UM001C-EN-P - March 2014
Appendix E
PFD and PFH Calculations for a SIL 2 System
Energize-to-action 1-year Proof Test Interval
Table 63 - Energize-to-action 1-year Proof Test Interval
MTTR 10 Hours
PTI 1.0 Years
Simplex Configuration
Duplex Configuration
Ca
t N
o.
Se
rie
s
Fi
rm
w
are
Ve
rs
io
n
Des
cr
ip
tio
n
MT
BF
λs
λdu
λd
d
SFF
tc
e'
HFT
PFH
e
PFDe
ST
R
β
βd
tc
e'
tg
e'
HFT
PFH
e
PFDe
Arch
ST
R
1715-
AENTR
A
2.001 EtherNet
adapter
dual
module
841,9
73
7.07E-
07
1.67E-
08
4.89E-
07
93
.55%
N/A
N/A
N/A
N/A
N/A
1.0
%
1.0
%
1.45E+
02
1.00E+
02
1
5.07E-
09
7.84E-
07
1oo2D
7.07E-
08
1715-
IB16D
A
2.001 16-
channel
digital
input
module
3,5
35,79
1
1.88
E-
07
1.02
E-
09
1.44
E-
07
99
.30%
4.07
E+
01
0
1.11
E-
09
6.31
E-
06
3.33
E-
07
1.0
%
0.5
%
2.35
E+
01
1.90
E+
01
1
8.22
E-
10
4.48
E-
07
1oo2
D
1.88
E-
09
1715-
IF16
A
2.001 16-
channel
analog
input
module
3,53
5,791
1.88
E-07
1.02
E-09
1.44
E-07
99.3
0%
4.07
E+01
0
1.11
E-09
6.31
E-06
3.33
E-07
1.0%
0.5%
2.35
E+01
1.90
E+01
1
8.22
E-10
4.48
E-07
1oo2D
1.88
E-09
1715-
OB8DE
A
2.001 16-
channel
digital
output
module
9,677,0
85
1.22E-
07
8.63E-
09
3.53E-
07
97
.61%
1.15E+
02
0
8.63E-
09
4.14E-
05
4.74E-
07
1.0
%
1.0
%
1.15E+
02
7.97E+
01
1
3.64E-
09
4.16E-
07
1oo2
1.22E-
09
1715-
OF8I
A
2.001 16-
channel
analog
output
module
5,44
6,17
9
3.56
E-07
3.32
E-08
4.71
E-07
93
.42%
2.98
E+0
2
0
3.36
E-08
1.53
E-04
8.27
E-07
1.0%
0.5%
2.98
E+0
2
2.02
E+0
2
1
3.23
E-09
3.62
E-06
1oo2
3.56
E-09